CN103248789A - Image acquisition equipment and image acquisition method for full-filling files - Google Patents
Image acquisition equipment and image acquisition method for full-filling files Download PDFInfo
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- CN103248789A CN103248789A CN2013101898493A CN201310189849A CN103248789A CN 103248789 A CN103248789 A CN 103248789A CN 2013101898493 A CN2013101898493 A CN 2013101898493A CN 201310189849 A CN201310189849 A CN 201310189849A CN 103248789 A CN103248789 A CN 103248789A
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Abstract
The invention is suitable for the technical field of a scanner and provides image acquisition equipment for full-filling files. The image acquisition equipment comprises a scanner, an MCU (Micro Controller Unit) module, a scanning control module, an internal storage module and an external storage interface module; the scanning control module is connected with the MCU module and is used for carrying out control on the scanner and transmitting an image obtained by scanning into the internal storage module; the internal storage module is respectively connected with the MCU module and the scanning control module and is used for storing a file image acquired from the scanning control module; and the external storage interface module is respectively connected with the MCU module, the internal storage module, an external USB (Universal Serial Bus) interface storage medium and an external SD (Secure Digital) interface storage and is used for storing a formal image subjected to image processing and identification. The image acquisition equipment combines an embedded scanner control technology and an image processing technology and provides the novel test paper image acquisition equipment which is simple and practical and has low cost.
Description
Technical field
The invention belongs to the scanner technology field, relate in particular to a kind of image capture device for the full-filling class file and image-pickup method thereof.
Background technology
The scanner control technology is to using computer gated sweep instrument that file is scanned, obtaining the technology of still image.This technology is widely used in file electronic records management industry, and the development of the industry of marking examination papers on the net along with taking an examination is ripe day by day, nowadays obtains large-area applications in each large, medium and small type examination, also is used widely in school, training group.But present scanner control technology is used and is had following weakness:
1. scanner must connect a computer and could work;
2. before scanner work, need carry out drive installation, the parameter setting.Relevant software and hardware setting work needs the professional person to carry out, and has relatively high expectations;
3. need at computer professional paper process software to be installed and carry out image scanning and processing by scanner driving gated sweep instrument;
4. participate in safeguarding that many scanning computers are very difficult things, the problem of sweep parameter, picture quality aspect often occurs under the operative scenario of paper scanning at a large amount of scanners;
5. be deployed in respectively under the operative scenario of different location at scanning device, all very high to construction, the maintenance cost of every cover scanning device (scanner+computer+network).
Image processing techniques is to utilize computer that still image is carried out the technology of analyzing and processing, analyzes by the image that scanner scanning is obtained, and corrects a kind of technology of information such as image deviations in the allowed band, identification bar code, OMR.This technology is widely used in the document management industry at present, the application of also succeeding in education/examination industry.But this technology is mainly disposed at computer environment at present, has improved application cost.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of image capture device for the full-filling class file and acquisition method thereof, is intended to solve scanner in the prior art must connect computer when work problem.
The present invention is achieved in that a kind of image capture device for the full-filling class file, comprises scanner, and wherein, this image capture device also comprises MCU module, scan control module, storage inside module, exterior storage interface module and image processing module;
Described scan control module links to each other with described MCU module, be used for described scanner is controlled, and the image that will scan acquisition is transferred to the storage inside module;
Described storage inside module links to each other with described MCU module, described scan control module respectively, be used for preserving the file and picture that obtains from described scan control module, when the memory space of described storage inside module is expired, control described scan control module simultaneously and stop scanning;
Described exterior storage interface module links to each other with described MCU module, described storage inside module, external USB interface storage medium and outside SD interface memory respectively, is used for preserving the formal image after image is handled and identified;
Described image processing module links to each other with described MCU module, described storage inside module respectively, and the image that is stored in the described storage inside module is carried out trial inspection and in-problem image is corrected processing.
Further, described image capture device also comprises:
Configuration and update module link to each other with described MCU module, external scan management server respectively, carry out the renewal of sweep parameter, image recognition parameter, server address and safety certification number of the account parameter, and obtain identified region definition information;
Picture recognition module, link to each other with described MCU module, described storage inside module respectively, define information according to the identified region from described configuration and update module acquisition the image the described exterior storage interface module is identified, and the result is kept in the described exterior storage interface module.
Further, described image capture device also comprises image transmission module and network connecting module;
Described image transmission module links to each other with described MCU module, described network connecting module, described storage inside module respectively, will be kept at the image data transmission of exterior storage interface module by described network connecting module to designated external scanning management server.
Further, described image capture device also comprises: configuration and update module and state display module;
Described state display module links to each other with described MCU module, display screen respectively, is used for showing the state information of described image capture device and the information that reports an error.
The present invention also provides a kind of image-pickup method of aforesaid image capture device, wherein, may further comprise the steps:
Step 1: start scanner the full-filling class file is scanned;
Step 2: the scan control module reads the image that described scanner transmits by control interface, and image is stored in the storage inside module;
Step 3: the described image that is stored in the storage inside module is handled;
Step 4: the image of handling well is exported.
Further, described step 2 may further comprise the steps:
Step 201: described storage inside module is stored the image that receives in independent batch mode;
Step 202: described scan control module sends instruction to image processing module.
Further, described step 3 comprises:
Step 301: image processing module carries out preliminary treatment and correction to the image that is stored in the storage inside module, and the image after will handling is kept in the exterior storage interface module;
Step 302: when image can't be corrected, described image processing module sent halt command to scanner by described scan control module, and by the state display module corresponding information was presented on the display screen;
Step 303: described image processing module sends order to image identification unit, and the image of described image identification unit after to described processing identified, and recognition result is kept at the exterior storage interface module.
Further, described step 4 may further comprise the steps:
Image transmission module links to each other with the scanning management server by network connecting module, and image and recognition result after handling are exported; Under the situation that network can't connect, to take out of by the exterior storage medium that will preserve image and recognition result, imagineering's file is to server.
Further, described step 4 may further comprise the steps: image and recognition result after described exterior storage interface module will be handled by external memory device are exported.
The present invention compared with prior art, beneficial effect is:
1, need not to be equipped with again the computer of gated sweep instrument, reduce cost;
2, owing to adopt the dedicated hardware processor to carry out image processing and identification, recognition speed is fast, has improved efficient;
3, the setting of scanner and management are undertaken by network connection scanning management server, are simple and easy to use;
4, Sao Miao image is uploaded management server automatically, increases work efficiency;
5, equipment is small and exquisite, does not take up room, and plug and play is easy to dispose.
Description of drawings
Fig. 1 is the collecting device structure chart that the embodiment of the invention provides;
Fig. 2 is the acquisition method flow chart of the collecting device that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
The present invention is towards the particularity of the scene of examination paper, answering card or questionnaire scan process, pointedly embedded scanning instrument control technology and image processing techniques merged, and simple, practical, image capture device cheaply is provided.Described image capture device utilizes the embedded development technology that scanner control, image storage, image recognition, image transmission module are realized, no longer requires scanner must dispose stand-alone computer and just can realize scanning.
As shown in Figure 1, a kind of image capture device for the full-filling class file comprises scanner 112, and wherein, this image capture device also comprises: MCU module 113, scan control module 101, storage inside module 102 and exterior storage interface module 103.Described full-filling class file comprises examination paper, answering card or questionnaire etc.Described scan control module 101 links to each other with described MCU module 113, by standard USB interface agreement or scsi interface agreement described scanner 112 is controlled, and will be scanned the image that obtains and be transferred to storage inside module 102.Described storage inside module 102 links to each other with described MCU module 113, described scan control module 101 respectively, be used for preserving the file and picture that obtains from described scan control module 101, when the internal storage space of described storage inside module 102 is expired, send halt instruction and make it stop scanning to described scan control module 101, the information that sends is simultaneously handled progress msg to state display module 109 prompting wait images.Described exterior storage interface module 103 links to each other with described MCU module 113, described storage inside module 102, external USB interface storage medium and outside SD interface memory 111 respectively, is used for preserving the formal image after image is handled and identified.Described external USB interface storage medium is USB flash disk, portable hard drive etc., and described USB interface is USB2.0 interface or USB3.0 interface.
Further, described image capture device also comprises image processing module 104, configuration and update module 108 and picture recognition module 105.Described image processing module 104 links to each other with described MCU module 113, described storage inside module 102 respectively, and the image that is stored in the described storage inside module 102 is carried out trial inspection and in-problem image is corrected processing.Trial inspection to image comprises gradation of image, resolution, contrast, distortion, folding, deflection etc.For example: for the picture deflection that causes owing to paper feed, if in allowed band, the processing of rectifying a deviation automatically will be reported to the police if can not correct automatically.Be stored in the exterior storage interface module 103 through the image after image processing module 104 processing.Described configuration and update module 108 link to each other with described MCU module 113, external scan management server respectively, are used for parameter and the program of described image capture device are upgraded.Carrying out updated parameters is sweep parameter, image recognition parameter, server address and safety certification number of the account parameter.Described configuration and update module 108 arrange network connection parameter, external scan management server address and authentication information by the outer computer access configuration page.Simultaneously, by the outer computer visit update module page, renewable each internal module program.Described picture recognition module 105 links to each other with described MCU module 113, described storage inside module 102 respectively, according to from the identified region definition information of described configuration and update module 108 acquisitions the image the described exterior storage interface module 103 being identified, institute's content identified comprises: contain bar code, two-dimension code and the optics full-filling information of examinee's code information, subject code information, page number information, objective item answer information, after the identification result is kept in the described exterior storage interface module 103.
Further, described image capture device also comprises image transmission module 106 and network connecting module 107.Described image transmission module 106 links to each other with described MCU module 113, described storage inside module 102 respectively, by network the image data transmission that is kept at exterior storage interface module 103 is scanned management server to designated external.Described network connecting module 107 links to each other with described MCU module 113, described image transmission module 106 respectively, provides the network connection visit by WIFI wireless network or LAN 110 for collecting device.
Further, described image capture device also comprises state display module 109.Described state display module 109 links to each other with described MCU module 113, display screen respectively, is used for showing the state information of described image capture device and the information that reports an error.Shown state information is scanning store status, network connection state, scan progress and speed etc.
As shown in Figure 2, the image-pickup method of described image capture device may further comprise the steps:
Starting scanner scans the full-filling class file.
The scan control module reads the image that described scanner transmits by control interface, and image is stored in the storage inside module with independent batch of organizational form.Simultaneously, described scan control module sends to instruct and to image processing module image is handled.
The described image that is stored in the storage inside module is handled.Described image processing module carries out preliminary treatment and correction to the image that is stored in the storage inside module, and the image after will handling is kept in the exterior storage interface module.When image can't be corrected, described image processing module sent halt command to scanner by described scan control module, and by the state display module corresponding information was presented on the display screen.Described image processing module sends order to image identification unit, and the image of described image identification unit after to described processing identified, and recognition result is kept at the exterior storage interface module.
The image of handling well is exported.Image transmission module links to each other with the scanning management server by network connecting module, and image and recognition result after handling are exported.Certainly, under the situation that network can't connect, the exterior storage medium of preserving image and recognition result can be taken out of, imagineering's file is in server.Perhaps link to each other with external memory device by described exterior storage interface module, image and recognition result after handling are exported.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an image capture device that is used for the full-filling class file comprises scanner, it is characterized in that this image capture device also comprises MCU module, scan control module, storage inside module, exterior storage interface module and image processing module;
Described scan control module links to each other with described MCU module, be used for described scanner is controlled, and the image that will scan acquisition is transferred to the storage inside module;
Described storage inside module links to each other with described MCU module, described scan control module respectively, be used for preserving the file and picture that obtains from described scan control module, when the memory space of described storage inside module is expired, control described scan control module simultaneously and stop scanning;
Described exterior storage interface module links to each other with described MCU module, described storage inside module, external USB interface storage medium and outside SD interface memory respectively, is used for preserving the formal image after image is handled and identified;
Described image processing module links to each other with described MCU module, described storage inside module respectively, and the image that is stored in the described storage inside module is carried out trial inspection and in-problem image is corrected processing.
2. image capture device according to claim 1 is characterized in that, described image capture device also comprises:
Configuration and update module link to each other with described MCU module, external scan management server respectively, carry out the renewal of sweep parameter, image recognition parameter, server address and safety certification number of the account parameter, and obtain identified region definition information;
Picture recognition module, link to each other with described MCU module, described storage inside module respectively, define information according to the identified region from described configuration and update module acquisition the image the described exterior storage interface module is identified, and the result is kept in the described exterior storage interface module.
3. image capture device according to claim 1 is characterized in that, described image capture device also comprises image transmission module and network connecting module;
Described image transmission module links to each other with described MCU module, described network connecting module, described storage inside module respectively, will be kept at the image data transmission of exterior storage interface module by described network connecting module to designated external scanning management server.
4. image capture device according to claim 1 is characterized in that, described image capture device also comprises: configuration and update module and state display module;
Described state display module links to each other with described MCU module, display screen respectively, is used for showing the state information of described image capture device and the information that reports an error.
5. the image-pickup method as the described image capture device of claim 1 to 4 is characterized in that, may further comprise the steps:
Step 1: start scanner the full-filling class file is scanned;
Step 2: the scan control module reads the image that described scanner transmits by control interface, and image is stored in the storage inside module;
Step 3: the described image that is stored in the storage inside module is handled;
Step 4: the image of handling well is exported.
6. the image-pickup method of image capture device according to claim 5 is characterized in that, described step 2 may further comprise the steps:
Step 201: described storage inside module is stored the image that receives in independent batch mode;
Step 202: described scan control module sends instruction to image processing module.
7. the image-pickup method of image capture device according to claim 5 is characterized in that, described step 3 comprises:
Step 301: image processing module carries out preliminary treatment and correction to the image that is stored in the storage inside module, and the image after will handling is kept in the exterior storage interface module;
Step 302: when image can't be corrected, described image processing module sent halt command to scanner by described scan control module, and by the state display module corresponding information was presented on the display screen;
Step 303: described image processing module sends order to image identification unit, and the image of described image identification unit after to described processing identified, and recognition result is kept at the exterior storage interface module.
8. the image-pickup method of image capture device according to claim 5 is characterized in that, described step 4 may further comprise the steps:
Image transmission module links to each other with the scanning management server by network connecting module, and image and recognition result after handling are exported;
Under the situation that network can't connect, to take out of by the exterior storage medium that will preserve image and recognition result, imagineering's file is to server.
9. the image-pickup method of image capture device according to claim 5 is characterized in that, described step 4 may further comprise the steps: image and recognition result after described exterior storage interface module will be handled by external memory device are exported.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104732184A (en) * | 2015-03-24 | 2015-06-24 | 朱永峰 | Art department student exam score inputting system |
| CN106203223A (en) * | 2016-08-29 | 2016-12-07 | 河北南昊高新技术开发有限公司 | A kind of integrated form card reader |
| CN106599809A (en) * | 2016-12-01 | 2017-04-26 | 深圳市海云天科技股份有限公司 | Answer information inputting method and apparatus, and terminal device |
| CN107944523A (en) * | 2018-01-03 | 2018-04-20 | 安徽联合安全科技有限公司 | A kind of VIN codes scanning means and control method |
| CN108401085A (en) * | 2018-03-14 | 2018-08-14 | 河北南昊高新技术开发有限公司 | A kind of scan method, scanner and scanning system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104732184A (en) * | 2015-03-24 | 2015-06-24 | 朱永峰 | Art department student exam score inputting system |
| CN106203223A (en) * | 2016-08-29 | 2016-12-07 | 河北南昊高新技术开发有限公司 | A kind of integrated form card reader |
| CN106599809A (en) * | 2016-12-01 | 2017-04-26 | 深圳市海云天科技股份有限公司 | Answer information inputting method and apparatus, and terminal device |
| CN106599809B (en) * | 2016-12-01 | 2020-10-23 | 深圳市海云天科技股份有限公司 | Answer information input method and device and terminal equipment |
| CN107944523A (en) * | 2018-01-03 | 2018-04-20 | 安徽联合安全科技有限公司 | A kind of VIN codes scanning means and control method |
| CN108401085A (en) * | 2018-03-14 | 2018-08-14 | 河北南昊高新技术开发有限公司 | A kind of scan method, scanner and scanning system |
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| CN103248789B (en) | 2015-12-02 |
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